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BD+59 250 in emission
Posted: Sun Dec 20, 2015 11:48 am
by Paolo Berardi
Hi all, it seems that the star BD+59 250 is now in active status. The previous spectrum on BeSS (july 2012, low-res) shows the H-alpha line in absorption.
Paolo
Re: BD+59 250 in emission
Posted: Sun Dec 20, 2015 1:37 pm
by umberto sollecchia
Bonjour à tous, je l'ai observé cette étoile et aussi je avoir enregistré l'émission H-alpha.
Voici le profil spectral.
- Profilo bd+59250.png (5.51 KiB) Viewed 4364 times
Cordialement Umberto
Re: BD+59 250 in emission
Posted: Sun Dec 20, 2015 10:57 pm
by Paolo Berardi
Thank you Umberto. H-alpha and H-beta lines change in comparison to the old spectrum is clear in your profile.
Paolo